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Keywords

Cu nanoparticles, LSPR, FEM, light polarization.

Disciplines

Atomic, Molecular and Optical Physics | Optics | Physical Sciences and Mathematics

Abstract

The aim of this paper is to study the interaction of the electromagnetic wave with plasmonic nanoparticles. Localized Surface Plasmon resonance (LSPR) characteristics are governed by the intrinsic properties of the nanoparticle (size, shape and dielectric environment). The extinction cross-section spectra of Cu nanoparticles are calculated using finite element method (FEM). By increasing both the size of the nanoparticle and the dielectric environment, the simulations show a red-shifting and broadening on the LSPR spectrum with enhancement of the spectral amplitude. The extinction cross section spectra are calculated using polarized light for non-spherical or assembled nanoparticles. We investigated the LSPR of Cu nanospheres of different arrangements, showing that the optical response depends on the order of nanospheres and the light polarization.

Author ORCID Identifier

Samaya El Samad - https://orcid.org/0000-0001-8990-5663

Salem Marhaba - https://orcid.org/0000-0002-2038-9389

DOI

https://www.doi.org/10.54729/YVTL7572

ISSN

2706-784X

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